Home / 13,122,433.40-19,683,650.10-7,453,729.40

Finding the Fourth Proportional to 13,122,433.40, 19,683,650.10 and 7,453,729.40

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Solution

The fourth proportional to 13,122,433.40, 19,683,650.10 and 7,453,729.40 is: 11,180,594.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122,433.40 : 19,683,650.10 = 7,453,729.40 : x
  2. Step 2: Convert to fraction form
    13,122,433.40/19,683,650.10 = 7,453,729.40/x
  3. Step 3: Cross multiply
    13,122,433.40x = 19,683,650.10 × 7,453,729.40
  4. Step 4: Simplify right side
    13,122,433.40x = 146,716,601,449,682.97
  5. Step 5: Solve for x
    x = 146,716,601,449,682.97/13,122,433.40
  6. Step 6: Final answer
    x = 11,180,594.10

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.